Features a built-in 20-pin USB 3.1 Gen 2 connector, recommended to use with EZDIY USB-C Type Panel Cable to install Motherboard Connector Expansion Adapter (B07DV86Y4Z) USB3 High Speed Transmission .1 Gen2, read and write and transfer various large files in seconds, open immediately without waiting. Supports PCI-E 3.0 specification and backward compatible with PCI-E 2.0 specification. Applicable interfaces: PCI-E 2X, PCI-E 4X, PCI-E 8X, PCI-E 16X. The built-in all-solid capacitors are equipped with high-power, high-quality electrical components and all-metal radiators to improve anti-interference ability, improve the stability of data transmission, and maintain cooling. Support WinXP, Win7, Win8, Win10, Linux operating system. The connector should be placed on the back of the card. If the connector is placed on top, it will interfere with the graphics card fan. Type: Riser Card color: black Material: PC + metal Package Contents: 1 x PCIE US-USB3.1 Adapter 1 x Baffle Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The allowable measurement error is +/- 1-3 cm.